#smarty-pants-toolbarbutton
{
  list-style-image: url(chrome://smarty-pants/skin/toolbar.png);
  -moz-image-region: rect(0px 23px 20px 0px);
}
#smarty-pants-toolbarbutton:hover
{
  -moz-image-region: rect(20px 23px 40px 0px);
}
#smarty-pants-toolbarbutton[active="true"]
{
  -moz-image-region: rect(40px 23px 60px 0px);
}
#smarty-pants-toolbarbutton[disabled="true"]
{
  -moz-image-region: rect(60px 23px 80px 0px);
}

